Exodus 21:16And he that steals a man, and sells him, or if he be found in his hand, he shall surely be put to death.Nave's Topical Index

Deuteronomy 24:7If a man be found stealing any of his brothers of the children of Israel, and makes merchandise of him, or sells him; then that thief shall die; and you shall put evil away from among you.Nave's Topical Index